系统记账原则是（）

A.数据输入必须由授权人办理，非授权人不得输入任何数据

B.数据输入必须按照事权划分的原则办理，做到数字准确、处理及时

C.现金收入，先收款后记账

D.现金付出，先记账后付款；转账业务，先记借后记贷

E.系统设置打印的交易必须打印记账信息

（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.

A.Project managers

B.Project team members

C.Sponsors

D.Project stakeholders